Vacuum machine



FIG. 1 is a perspective view of a vacuum machine showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 9 is an enlarged view of portion 9 shown in FIG. 1.

The broken lines in the drawings depict portions of the vacuum machinethat form no part of the claimed design. The broken line encircling theenlargement forms no part of the claimed design.

CLAIM The ornamental design for a vacuum machine as shown and described.